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Your search for [subject]Nitrogen returned 538 records. |
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Nitrogen and rice.
Los Banos, Laguna: IRRI, 1979.
Subject: Plants, Effect of nitrogen on; Nitrogen -- Fixation; Rice; Soils -- Nitrogen content.
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Nitrogen and rice.
Los Baños, Laguna, Philippines/ P.O.Box 933, Manila 1099, Philippines: International Rice Research Institute, 1979.
Subject: Nitrogen -- Rice production 0; Nitrogen transformation -- Rice soils 0; Heterotrophic nitrogen fixation -- Rice soils 0; Nitrogen fixation -- Algae 0; Azolla utilization -- Rice production 0; Agronomic practices 0; Increasing nitrogen -- Rice soils 0; Agriculture .
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The Inadequate environment : nitrogen and the abundance of animals.
by White, T. C. R.; Berlin: Springer-Verlag, 1993.
Subject: Nitrogen; Nitrogen -- Environmental aspects; Nitrogen cycle.
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Nitrogen oxides and their effects on health.
by Lee, S. D.; Ann Arbor, Mich.: Ann Arbor Science, 1980.
Subject: Nitrogen oxides -- Toxicology; Nitrogen oxides -- Environmental aspects; Nitrogen oxides -- Physiological effect; Air -- Pollution.
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Nitrogen-15 in soil-plant studies : proceedings ...
Vienna: International Atomic Energy Agency, 1971.
Subject: Plants, Effects of nitrogen on -- Congresses; Nitrogen fertilizers -- Congresses; Nitrogen -- Isotopes -- Congresses.
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Isotopes in biological dinitrogen fixation : proceedings of an Advisory Group Meeting.
Vienna: International Atomic Energy Agency, 1978.
Subject: Nitrogen-fixing microorganisms -- Congresses; Nitrogen -- Fixation -- Congresses; Nitrogen -- Isotopes -- Congresses.
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Studies on rhizobium isolates from tropical legumes of economic importance: II. Utilization of nitrogen sources.
by Mamaril, Juanita C;
Subject: RHIZOBIUM; NITROGEN; TROPICAL LEGUMES; ECONOMIC IMPORTANCE; UTILIZATION; NITROGEN SOURCES.
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Nitrate : processes, patterns and management.
by Burt, T. P.; Chichester: John Wiley and Sons, 1993.
Subject: Nitrates -- Environmental aspects; Nitrogen cycle; Nitrogen in agriculture.
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Dry matter production and nutrient uptake in strawberry at different growth stages and nitrogen levels.
by Castro, Alejandro Dumo, 1935-;
Subject: Strawberries; Nitrogen fertilizers; Plants, Effect of nitrogen on.
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Symbiotic performance of peanut Rhizobium association under partial shade conditions.
by Abilay, Remedios M.; College, Laguna: IPB, 1987. 47p. -(UPLB-PCARRD-NCARS Proj. Study 3).
Subject: ARACHIS HYPOGAEA; NITROGEN FIXATION; SYMBIOSIS; SHADING; FERTILIZER APPLICATION; RHIZOBIUM; NITROGEN.
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